Nielsville is a city located in Polk County Minnesota. With a 2020 population of 80, it is the 786th largest city in Minnesota and the 18641st largest city in the United States . Nielsville is currently declining at a rate of -1.23% annually and its population has decreased by -11.11% since the most recent census, which recorded a population of 90 in 2010. Nielsville reached it's highest population of 87 in 2010. Spanning over 0 miles, Nielsville has a population density of 260 people per square mile.
The average household income in Nielsville is $42,795 with a poverty rate of 37.39%. The median rental costs in recent years comes to - per month, and the median house value is $45,000. The median age in Nielsville is 30.8 years, 47.4 years for males, and 23 years for females.